Home / 4,278.72-5,906.44-2,600.67

Finding the Fourth Proportional to 4,278.72, 5,906.44 and 2,600.67

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Solution

The fourth proportional to 4,278.72, 5,906.44 and 2,600.67 is: 3,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.72 : 5,906.44 = 2,600.67 : x
  2. Step 2: Convert to fraction form
    4,278.72/5,906.44 = 2,600.67/x
  3. Step 3: Cross multiply
    4,278.72x = 5,906.44 × 2,600.67
  4. Step 4: Simplify right side
    4,278.72x = 15,360,688.31
  5. Step 5: Solve for x
    x = 15,360,688.31/4,278.72
  6. Step 6: Final answer
    x = 3,590.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.